126 Picasso Les Demoiselles

Les Demoiselles d’Avignon. Pablo Picasso. 1907 C.E. Oil on canvas, 8’ x 7’8”. Museum of Modern Art, New York.

eight-minute video: https://www.khanacademy.org/humanities/art-1010/early-abstraction/cubism/v/picasso-les-demoiselles-d-avignon-1907

informative discussion on Columbia University's website, with great images and quotations:
http://www.learn.columbia.edu/demoiselles/swf/primary.swf

MoMA's description (click "additional text"):
http://www.moma.org/collection/works/79766

interesting four-minute video on Einstein's and Freud's ideas at time of Picasso's painting:
https://www.pinterest.com/pin/166422148705728234/